Big Texas Ultra

NOV
7
2026
Trail ultra at Lake Georgetown offering 15K, 50K and 100K options on rocky, dirt and grass trails with substantial elevation gain and aid stations on course.
Sat 7 Nov 2026
100 kilometers 50 kilometers 15 kilometers

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Big Texas Ultra Championship : Lake Georgetown, Texas

The Big Texas Ultra Championship is a multi-distance trail running event held at Russell Park Trailhead on Lake Georgetown on November 6-7, 2026. The event offers the following distances:

  • 15K out-and-back course beginning and ending at Russell Park
  • 50K loop on the Goodwater Trail Loop plus out-and-back sections
  • 100K championship run following a 31.1 mile looped course

Trails mix rocky singletrack, jeep roads, and short road sections. Reported elevation gain includes over 4,600 ft for the 100K, about 2,300 ft for the 50K loop, and 700 ft for the 15K out-and-back. Historic average temperatures for the period range from 50 to 74 degrees Fahrenheit.

Aid stations are placed along the course with offerings that include hot and cold foods, snacks, water, electrolytes, pickle juice, and ice; some stations provide only water. Drop bags may be left during packet pickup and will be transported to the Lone Star aid station at mile 15.

Mandatory gear requirements vary by distance and include a hydration system (16-ounce minimum for 15K; 24–32 ounce minimum for 50K/100K), a phone for 50K and 100K participants, and a headlamp for the final 50K of the 100K event. A ruck option is available with weight rules based on athlete weight; ruck sacks or vests are allowed.

The event serves as the Big Texas Ultra Championship within the Texas Ultra Series. Championship qualification can occur via placement in designated qualifying races or by meeting published time standards. Prize awards are listed for top finishers in the 100K championship. Visit the organization's website for the most recent information.

100 km
100k Non-Competitive
100 km
100k Championship
50 km
50k
15 km
15k Saturday Start
15 km
15k Ruck
15 km
15k Friday Run
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